WS Trace Elements #2

Sodium perfluoro-1-heptanesulfonate, 1.2ml x 50ug/ml, methanol

alpha alpha alpha (20R,24S)-24-Methylcholestane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-20-6

N-Nitrosodi-n-octylamine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6335-97-3